NUMBERS, OPERATIONS & MEASUREMENTS This fantastic overview of fractions, ratios, proportions, properties and more is great for middle and high school students. It will help boost math confidence and test scores. It includes information on: �symbols �place value �roman numerals �decimal operations �integer operations �fraction operations �factorization �greatest common factors & least common multiples �scientific notation �ratios & proportions �measurement �properties �and much more . . .